When it comes to cats that can be endlessly entertained (and endlessly entertaining) with a simple cardboard box, Maru is number one. But wait! The Internet is full of adorable video evidence that pretty much all cats love to play with boxes.

So move over, Maru. We've selected 13 of our favorite cat vs. box videos to offer you a much-needed dose of d'aww to end your week. Don't worry, we still included a couple of Maru's best, but browse the rest of our picks below and vote for your favorites.

Want more? Check out Cats vs. iPads, Cats vs. Cords, Cats vs. Vacuum Cleaners, Cats vs. Laser Pointers and Cats vs. Dogs.

Loading Slideshow...
  • Tissue Box Cat

    We can't believe this cat survived.

  • Sneak Attack!!

    Just wait for it.

  • Maru And The Too-Small Box

    "I'm going to fit!"

  • Always Ready Cat

    "I'll get your hand if it's the last thing I do."

  • Two Fascinated Cats

    Wherever their lives may lead them, they'll always have that box.

  • Cat In Coke Box

    Since when do cats know about product placement?

  • Maru Tries Again

    "I finished my diet and now I fit into this lovely box!"

  • Two Fascinated Cats

    Whatever the cameraperson is doing is clearly very interesting.

  • Dominance War

    This cat really is a big bully.

  • Bite The Tiny Box

    Three kittens are better than one.

  • Pop Out Kitty-O

    That hole was specially cut for this cat.

  • Techno Cat

    "Why all this music when a cat is just trying to sleep?"

  • Cats in Kleenex box

    They won't stop a runny nose, but they will melt your heart.

Also on HuffPost: